Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

128045 (number)

128045 is an odd 6-digits composite number following 128044 and preceding 128046. In scientific notation, it is written as 1.28045 × 10^5. The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors. There are 102432 positive integers (up to 128045) that are relatively prime to 128045.

Interesting facts

128045 has 4 divisors, whose sum is 153660
The reverse of 128045 is 540821
Previous prime number is 5

Basic properties

Is Prime? no
Number parity odd
Number length 6
Sum of Digits 20
Digital Root 2

Name

Name	one hundred twenty-eight thousand forty-five

Notation

Scientific notation	1.28045 × 10^5
Engineering notation	1.28045 × 10^3

Prime Factorization of 128045

Prime Factorization 5 × 25609

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	128045	Product of the distinct prime numbers

The prime factorization of 128045 is 5 × 25609. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 9, 33, 35, 781, 974, 5067, 9376, 99452, 68587, 573991, 108231, 22170, 3789863, 52725547, 17841315, 62395255, 227654956, 3833737047, 2629916793

Basic calculations (n = 128045)

Multiplication

n×y

n×2	256090
n×3	384135
n×4	512180
n×5	640225

Division

n÷y

n÷2	64022.5
n÷3	42681.666666667
n÷3	32011.25
n÷5	25609

Exponentiation

n^y

n²	16395522025
n³	2099364617691125
n⁴	2.6881314247226E+20
n⁵	3.4420178827861E+25

Nth Root

^y√n

²√n	357.83376028542
³√n	50.402747183756
⁴√n	18.916494397362
⁵√n	10.506849824701

Divisors of 128045

1, 5, 25609, 128045

4 divisors

τ	Total Divisors	4	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-128044	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.25	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	1	Returns the nth root of the product of n divisors
H	Harmonic Mean	4	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128045 can be divided by 4 positive divisors. The sum of these divisors (counting 128045) is 1, the average is 0.25.

Base conversion 128045

Base	System	Value
2	Binary	11111010000101101
3	Ternary	20111122102
4	Quaternary	133100231
5	Quinary	13044140
6	Senary	2424445
8	Octal	372055
10	Decimal	128045
12	Duodecimal	62125
16	Hexadecimal	1f42d
20	Vigesimal	g025
36	Base36	2qst

Cryptographic Hash Functions

md5	3077f069f0015fce8a1910b57b17cb45
sha1	c86a52d369879f852b881ede256b5a9897c962b5
sha256	74f0e7c3e98aabab5b8182b4e2d247c33460868089bceabac2364909a1859968
sha512	f03364d5ce79f04533afe5ed1dbbc4ab3fc622f2232ade2fb5ea94f384ec94240c1ee18323943b47f97694a20321638e63f01d65a57daca91c45982cfefe8df4
ripemd-160	426daf1e181282ea12c59aaf6622cc9b02107d93

128045 as geometric shapes

Circle

Radius = n

Diameter	256090
Circumference	804530.46265781
Area	51508051545.51

Sphere

Radius = n

Volume	8.7937979468597E+15
Surface area	206032206182.04
Circumference	804530.46265781

Square

Length = n

Perimeter	512180
Area	16395522025
Diagonal	181082.97559406

Cube

Length = n

Surface area	98373132150
Volume	2099364617691125
Space diagonal	221780.44565516

Equilateral Triangle

Length = n

Perimeter	384135
Area	7099469290.9786
Altitude	110890.22282758

Triangular Pyramid

Length = n

Surface area	7099469290.9786
Volume	2.4741249289208E+14
Height	60360.991864688